First Sonic appeared on Nintendo's console. Then Sega made F-Zero GX for Nintendo. Then Sonic appeared in Smash Bros, a Nintendo published game. Then Mario & Sonic both appeared in same games published by Sega. What is next for the former rivals? Well the guy who co-created Sega's own "Mario killer" attempt has joined Nintendo. http://www.gamasutra.com/view/news/168016/Sonic_the_Hedgehog_cocreator_Hirokazu_Yasuhara_joins_Nintendo.php Titles by NST: Bionic Commando: Elite Forces, Game Boy Color Crystalis, Game Boy Color Ridge Racer 64, Nintendo 64 Pokémon Puzzle League, Nintendo 64 Wave Race: Blue Storm, Nintendo GameCube Nintendo Puzzle Collection, Nintendo GameCube 1080° Avalanche, Nintendo GameCube Mario vs. Donkey Kong, Game Boy Advance Ridge Racer DS, Nintendo DS Metroid Prime Hunters, Nintendo DS Mario vs. Donkey Kong 2: March of the Minis, Nintendo DS Super Smash Bros Brawl, Nintendo Wii (Masterpiece Mode) Crosswords DS, Nintendo DS Mario vs. Donkey Kong: Minis March Again, DSiWare Aura-Aura Climber, DSiWare Mario vs. Donkey Kong: Mini-Land Mayhem, Nintendo DS They were also behind the cancelled Project H.A.M.M.E.R. What I'd give for a new Wave Race or 1080 game.